This is one of the cheapest prices i've seen this set, picked it up straight away.
Product Details
Enter the world of mining on a colossal scale with the massive Bucket Wheel Excavator—the largest LEGO® Technic set to date! This highly detailed 2-in-1 model has been designed to provide an immersive and rewarding build and play experience, and comes with an array of motorised functions, including forward and reverse driving, moving conveyor belts, working boom with revolving bucket wheel, and a rotating superstructure. You can even rebuild the model to create a Mobile Aggregate Processing Plant.
Pieces
3929
Lego link for more info: https://shop.lego.com/en-AU/Bucket-Wheel-Excavator-42055
While I know this is shopforme , others may not so better stick it in title.